.top-imge {
    margin: 0 50px;
    height: 100px;
    background-image: url(../imges/头部图片.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    font-size: 100px;
    font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    text-align: center;
    color: #fed2d2;
    letter-spacing: 50px;
    opacity: 0.5;
}

.manu {
    margin: 0 50px;
    height: 50px;
    display: flex;
    flex-direction: row;
}


.left {
    width: 70%;
    font-weight: bold;
    border-radius: 2px 5px;
    display: flex;
    cursor: pointer;

}

.navlist {
    height: 100%;
    width: 100%;
    background-image: linear-gradient(to right, rgba(0, 4, 255, 0.5), rgba(95, 95, 246, 0.5), rgba(8, 12, 255, 0.5));
}

.navlist>li {
    height: 30px;
    width: 80px;
    margin: 0 auto;
    margin-right: 10px;
    padding: 10px;
    line-height: 30px;
    text-align: center;
    font-size: 20px;
    letter-spacing: 5px;
    float: left;
}

.navlist>li a {
    color: aliceblue;
}

.navlist>li:hover a {
    color: rgb(49, 36, 36);
}

.btli .droplist {
    height: 0;
    margin-top: 5px;
    width: 900px;
    left: 150px;
    position: absolute;
    overflow: hidden;
    transition: 0.5s;
}
.btli:hover .droplist {
    height: 100%;
}

.btli .droplist>li {
    margin-top: 2px;
    padding: 20px;
    background-image: linear-gradient(to right, rgba(183, 184, 240, 0.5), rgba(211, 211, 245, 0.5), rgba(172, 173, 239, 0.5));
    box-shadow: 1px;
    border-radius: 2px;
    display: none;
}

.btli:hover .droplist>li{
    display: block;
}

.btli li:hover {
    background-image: linear-gradient(to right, rgba(4, 6, 97, 0.5), rgba(64, 64, 249, 0.5), rgba(6, 9, 134, 0.5));
}

.right {
    width: 30%;
    padding: 5px;
    background-image: linear-gradient(to right, rgba(17, 21, 248, 0.5), rgba(132, 132, 249, 0.5), rgba(17, 21, 248, 0.5));
}

.right div {
    margin-left: 30px;
    float: right;
}

.right div a {
    color: aliceblue;
    font-size: 30px;
    line-height: 40px;
}

.right div a:hover {
    color: black;
}